SARI, T.; AINI, S.; NASRA, E.; RIGA, R.; ZAINAL, E. Counseling on The Technology of Processing Quail Feces Waste into Biogas in Mungka District, Lima Puluh Kota Regency. Pelita Eksakta, v. 4, n. 2, p. 166-170, 30 nov. 2021.